q=dataf1['LOGYIELD*100'][2225:2477]
l,l2,a1,b1=[],[],[],[]
l2=[]
a,b=-10,-9
while b<=17:
    s=0
    for i in q:
        if i>a and i<=b:
            s+=1
    l2.append("({}, {}] ".format(a, b))
    a1.append(a)
    b1.append(b)
    l.append(s)
    a+=1
    b+=1
d=dict(zip(l2,l))
df2 = pd.DataFrame(d.items(), columns=['Интервал', 'Кол-во значений'])
df2